package com.monkeyk.os.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


public class SimpleCORSFilter implements Filter{

	@Override
	public void destroy() {
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {  
		 	HttpServletResponse response = (HttpServletResponse) res;
	        response.setHeader("Access-Control-Allow-Origin","*");
	       // response.setHeader("Access-Control-Allow-Credentials","true");  
	        response.setHeader("Access-Control-Allow-Methods", "POST, GET,PUT, OPTIONS, DELETE");
	        response.setHeader("Access-Control-Max-Age", "3600");
	        response.setHeader("Access-Control-Allow-Headers", "DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type,token");
	        
	        HttpServletRequest hsreq=(HttpServletRequest) req;
	        
	        if ("OPTIONS".equals(hsreq.getMethod()))
	        {
	            response.setStatus(200);
	            return  ;
	        }
	        
	        chain.doFilter(req, res);
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		
	}

}
